Global Project Gallery

Proven Engineering Performance

Custom Window & Door Solutions Installed Worldwide

Grandor Door Industry Co., Ltd. brings 16+ years of manufacturing experience, high-precision engineering, and certified international quality standards to luxury residential, villa, and commercial developments across Australia, North America, and Europe.

Factory Direct Assurance

Full Process Control from Aluminum Profile to Final Crate

Every window and door system engineered by Grandor Door Industry Co., Ltd. undergoes rigorous internal QA testing. Operating within a 155,000 m² manufacturing plant, we handle aluminum extrusion, anodizing, powder coating, glass tempering, and precision assembly under one unified management system.

  • Full shop drawing verification and CAD engineering approval before production.
  • Comprehensive testing for air infiltration, water penetration, and structural wind load.
  • Custom steel-reinforced plywood crating to protect profiles and double glazing during sea transport.
ISO 9001Quality management system
AS 2047Australian window performance standard
CE MARKEuropean standard EN 14351-1 compliance
NFRCEnergy rating & thermal performance
ASTM E283Air leakage test compliance
ASTM E330Structural performance verification

Ready to Engineer Your Project Windows & Doors?

Send us your architectural drawings, window schedules, or project specifications. Our engineering team at Grandor Door Industry Co., Ltd. will provide a detailed proposal and factory-direct price quotation.

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